Add .gitattributes file to better deal with line endings.
texture cache fix for ofxiOSVideoPlayer

ofTexture now supports using external texture IDs with this method,
setUseExternalTextureID
this PR updates ofxiOSVideoPlayer to work with this new method.
Normalize line endings. Leave external libraries untouched.
Merge branch 'master' into add-gitattributes
Merge pull request #2510 from bilderbuchi/add-gitattributes

Add .gitattributes file
Merge pull request #2558 from julapy/ios-video-texture-cache-fix

texture cache fix for ofxiOSVideoPlayer